22:01:50 Unable to set Cell Caching using SQLite method, reverting to memory<br />22:01:50 Create new PHPExcel object<br />22:01:51 Set properties<br />22:01:51 Add data<br />22:01:51 Hide 'Phone' and 'fax' columns<br />22:01:51 Set outline levels<br />22:01:51 Freeze panes<br />22:01:51 Rows to repeat at top<br />22:01:51 Write to Excel2007 format<br />22:01:51 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.1959 seconds<br />22:01:51 Current memory usage: 20 MB<br />22:01:51 Peak memory usage: 24 MB<br />22:01:51 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />